Replacing The Filters - Philips AC4075 User Manual

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healthy air protect lock
If you do not replace the filter in time, the appliance stops operating
approx. 2 weeks after the filter replacement light started flashing.When the
appliance is locked, it does not operate until you have replaced with the
new filter and pressed the reset button.
Note: When filter replacement lights 2 and REPLACE FILTER on the control
panel are on continuously, the appliance is locked (see section 'Filter
maintenance' in this chapter for more information).
How long it takes before the appliance is locked depends on the operating
time and speed level selected after the filter replacement alert.
Approximately 1 day before the appliance locks, it beeps every 30 minutes
to inform you that one of the filters needs to be replaced.
When the appliance is locked, you hear a beep when you press any button.
You can switch off the appliance by pressing the on/off button.
If the appliance is locked:
1 Check which filter needs to be replaced (see section 'Filter
replacement lights').
2 Switch off the appliance and unplug it.
3 Replace the appropriate filter (see section 'Replacing the filters').

Replacing the filters

Tip: Place the appliance against a wall for more stability when you remove or
insert filters.
1 Switch off the appliance and unplug it.
2 Place your fingers in the recesses of the side panels and gently pull
the top part of the front panel towards you. Then lift the hooks at
the bottom of the panel out of the bottom of the appliance.
3 To remove filter 1 (pre-filter), grab the two projections and pull the
filter towards you.
4 To remove filter 2 (New home filter), grab its tag and pull it towards
you.
5 Discard the filter that needs to be replaced and unpack the new
filter.